Welcome to Odds-API.io: What You Can Build

Real-time sports betting odds data from 250+ bookmakers

Written By Markus

Last updated 18 days ago


What is Odds-API.io?

Odds-API.io is a sports betting odds API that provides real-time data from over 250 bookmakers across 10+ sports. It's designed for developers, whether it’s building odds comparison sites, betting analytics tools, live betting applications or anything else.. Our odds API can help you build something great (and we’re here to help whenever you need it)


API Capabilities

Bookmaker Coverage

Access odds from 250+ bookmakers including:

  • Global: Bet365, Unibet, SingBet, William Hill, Betway

  • US: DraftKings, FanDuel, Caesars, BetMGM

  • Regional: Extensive coverage across Europe, Asia, and Australia

  • Plus 180+ more bookmakers

View complete bookmaker list

Sports Covered (10+)

Market Types (100+)

  • Match Result (ML) - Win/Draw/Lose

  • Spreads - Point handicaps

  • Totals - Over/Under

  • Player Props - Individual performance bets

  • Both Teams to Score - Yes/No

  • And hundreds more markets (See more)

Performance

  • <150ms latency via WebSocket

  • 99.9% uptime

  • Real-time updates as odds change

  • 5,000 requests/hour on all plans (More can be added if needed)


Common Use Cases

1. Odds Comparison Sites

Compare odds across bookmakers to help users find the best value.

Features:

  • Side-by-side odds comparison

  • Best odds highlighting

  • Direct bet links to bookmakers

  • Odds movement tracking

Revenue: Affiliate commissions


2. Value Bet Finders

Identify profitable betting opportunities with positive expected value.

Features:

  • Automated EV calculations (updated every 5 seconds)

  • Real-time alerts

  • Multi-bookmaker monitoring

  • Performance tracking

Revenue: Monthly subscriptions


3. Betting Analytics Tools

Data-driven insights for better betting decisions.

Features:

  • Line movement analysis

  • Historical data access

  • Implied probability calculations

  • Statistical trends

Revenue: Premium subscriptions


4. Live Betting Apps

Real-time in-play betting with WebSocket integration.

Features:

  • <150ms latency updates

  • Live market coverage

  • Instant odds change notifications

  • Live score integration

Revenue: Transaction fees or premium access


5. Player Props Trackers

Focus on individual player performance betting.

Features:

  • NBA, NFL, MLB, NHL props

  • Player stats integration

  • Line movement alerts

  • Compare across DraftKings, FanDuel

Revenue: Subscriptions or premium features


6.) Arb / Arbitrage Bot & Site

See where bookmakers are offering vastly different odds so you can guarantee profit by backing both sides.

Features:

  • One click scan to view arbs

  • Calculate guaranteed profit

  • Customise bookmakers

  • Powerful filters

Revenue: Subscriptions or premium features


Key Features


Getting Started

  1. Sign up - Free tier, no credit card

  2. Get API key - Instant email delivery

  3. Make first call - Working in under 5 minutes

  4. Build - Use our documentation and examples

Quick Links:


API Overview

Simple RESTful Design

javascript

// Get available sports GET /v3/sports  // Get upcoming events GET /v3/events?sport=football&league=premier-league  // Get odds from bookmakers GET /v3/odds?eventId=123456&bookmakers=Bet365,Unibet

WebSocket for Real-Time

javascript

// Connect for live updates wss://api.odds-api.io/v3/ws?apiKey=YOUR_KEY

Clean JSON Responses

Easy to parse and integrate with any programming language.


Developer Experience

βœ… Simple Integration - RESTful API with standard HTTP methods
βœ… Multiple Languages - Examples in JavaScript, Python, PHP, cURL
βœ… Comprehensive Docs - Detailed guides and API reference
βœ… Batch Operations - Fetch up to 10 events in one call
βœ… Fast Support - Email response within 24 hours